PROPERTY AND EQUIPMENT, NET - Schedule of property and equipment, net (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property and Equipment, Net
Total property and equipment	$ 309.6	$ 324.4
Less accumulated depreciation	(191.6)	(215.2)
Property and equipment, net	118.0	109.2
Construction in progress
Property and Equipment, Net
Total property and equipment	3.3	1.5
Furniture, equipment, and leasehold improvements
Property and Equipment, Net
Total property and equipment	$ 306.3	$ 322.9